1Pierre Samuel Du Pont de Nemours to Thomas Jefferson, [ca. 28 July 1810] (Jefferson Papers)
Muhammad (founder of Islam) [index entry]
2John Adams to Thomas Jefferson, 14 June 1813 (Jefferson Papers)
Muhammad (founder of Islam) [index entry]
3John Adams to Thomas Jefferson, 16 July 1813 (Jefferson Papers)
Muhammad (founder of Islam) [index entry]
4John Adams to Thomas Jefferson, 2 September 1813 (Jefferson Papers)
Muhammad (founder of Islam) [index entry]
5John Adams to Thomas Jefferson, 16 July 1814 (Jefferson Papers)
Muhammad (founder of Islam) [index entry]
6Thomas Appleton to Thomas Jefferson, 30 May 1816 (Jefferson Papers)
Muhammad (founder of Islam) [index entry]